S5G9801X01-D0B0 データシートの表示（PDF） - Samsung

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S5G9801X01-D0B0

INFRAED REMOCON RECEIVER

Samsung 

S5G9801X01/S5G9803X01

INFRAED REMOCON RECEIVER

OPERATING PRINCIPLES

1. POR (Power On Reset) CIRCUIT

To initialize the internal state at time of power ON, it is necessary to perform the initialization.

The initialization is carried out when a capacitor is connected to the code bit terminal.

RUP

CODE1

RUP

CODE2

Initialize

RUP = 20kΩ

C = 0.001µF − 0.022µF

Figure 3.

In the case of S5G9803, connect a capacitor to CODE2 and CODE3.

2. OSCILLATION CIRCUIT

The RC oscillation circuit is normally operated at 38kHz oscillation frequency.

(The RC is connected between OSC terminal and VSS.)

CSC

RC

SCHMITT

FOSC

R = 39kΩ ± 5%

C = 1000pF ± 5%

Figure 4.

Oscillation frequency is about 38kHz ± 5kHz at R = 38kW and C = 1000pF.

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